3344804786821 has 8 divisors (see below), whose sum is σ = 3395851430400. Its totient is φ = 3293975826960.

The previous prime is 3344804786759. The next prime is 3344804786831. The reversal of 3344804786821 is 1286874084433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3344804786821 is a prime.

It is a super-2 number, since 2×3344804786821² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3344804786831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54389965 + ... + 54451426.

It is an arithmetic number, because the mean of its divisors is an integer number (424481428800).

Almost surely, 2^{3344804786821} is an apocalyptic number.

It is an amenable number.

3344804786821 is a deficient number, since it is larger than the sum of its proper divisors (51046643579).

3344804786821 is a wasteful number, since it uses less digits than its factorization.

3344804786821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108841859.

The product of its (nonzero) digits is 24772608, while the sum is 58.

The spelling of 3344804786821 in words is "three trillion, three hundred forty-four billion, eight hundred four million, seven hundred eighty-six thousand, eight hundred twenty-one".